A new Devonian trilobite from southern Illinois /

Bibliographic Details
Main Author: Roy, Sharat Kumar
Format: Book
Language:English
Published: Chicago, [publisher not identified] ; 1933.
Series:Fieldiana. Geology ; v. 6, no. 4.
Field Museum of Natural History. Publication no.327.
Subjects:
Description
Item Description:Caption title.
Physical Description:pages[67]-82 ; 25 cm.
Bibliography:Bibliography: page 82.